/*
 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package javax.lang.model.type;

import java.io.ObjectInputStream;
import java.io.IOException;
import javax.lang.model.element.Element;


/**
 * Thrown when an application attempts to access the {@link Class} object
 * corresponding to a {@link TypeMirror}.
 *
 * @author Joseph D. Darcy
 * @author Scott Seligman
 * @author Peter von der Ah&eacute;
 * @see MirroredTypesException
 * @see Element#getAnnotation(Class)
 * @since 1.6
 */
public class MirroredTypeException extends MirroredTypesException {

  private static final long serialVersionUID = 269;

  private transient TypeMirror type;          // cannot be serialized

  /**
   * Constructs a new MirroredTypeException for the specified type.
   *
   * @param type the type being accessed
   */
  public MirroredTypeException(TypeMirror type) {
    super("Attempt to access Class object for TypeMirror " + type.toString(), type);
    this.type = type;
  }

  /**
   * Returns the type mirror corresponding to the type being accessed.
   * The type mirror may be unavailable if this exception has been
   * serialized and then read back in.
   *
   * @return the type mirror, or {@code null} if unavailable
   */
  public TypeMirror getTypeMirror() {
    return type;
  }

  /**
   * Explicitly set all transient fields.
   */
  private void readObject(ObjectInputStream s)
      throws IOException, ClassNotFoundException {
    s.defaultReadObject();
    type = null;
    types = null;
  }
}
